5ep9lzv 发表于 2024-6-22 15:46:44

验血能查出癌症吗，筛查癌症的办法有哪些？


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">癌症的种类<span style="color: black;">非常多</span>，表现形式<span style="color: black;">亦</span>不<span style="color: black;">同样</span>，但大多会<span style="color: black;">显现</span>消瘦、乏力、胃口差等症状，相应部位还会<span style="color: black;">病痛</span>或不适。</p>

    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">血液化验只能为癌症的诊断<span style="color: black;">供给</span>依据，但<span style="color: black;">无</span>特异性。<span style="color: black;">倘若</span>想确诊肿瘤还需进一步<span style="color: black;">检测</span>，如C T、<span style="color: black;">B</span>超、胃镜等，其中病理穿刺是癌症诊断的金标准。</span></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">血液<span style="color: black;">检测</span>很难确诊癌症</span></strong></span><span style="color: black;">血液<span style="color: black;">检测</span>是确诊癌症的标准之一，肿瘤细胞<span style="color: black;">必须</span>与<span style="color: black;">周边</span>环境进行物质交换，这就有可能<span style="color: black;">泄密</span>出<span style="color: black;">有些</span>特异性物质，<span style="color: black;">倘若</span>从血液中检测到这些物质就可能<span style="color: black;">发掘</span>肿瘤。</span><span style="color: black;"><span style="color: black;">日前</span>为止，这些特异性物质已找到几十种，如甲胎蛋白、癌胚抗原、糖类抗原125、细胞角蛋白片段<span style="color: black;">21-1</span>、前列腺特异抗原等，统<span style="color: black;">叫作</span>为“肿瘤标志物”。</span>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/ic67IJSib4b9DPEv7alxJEcPm13lF6E0nM6GjL7mryq7sg2ibqUPP3ozy1Cql6ZtHQwOApBSlKSHcYKCRicafEia6lw/640?wx_fmt=jpeg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;"></p><span style="color: black;">不同类型的癌症肿瘤标志物<span style="color: black;">亦</span>不<span style="color: black;">同样</span>，<span style="color: black;">日前</span><span style="color: black;">发掘</span>的肿瘤标志物的<span style="color: black;">敏锐</span>性和特异性都<span style="color: black;">不足</span>理想，检测结果可供参考。</span><span style="color: black;"><span style="color: black;">因为</span>不同的癌症在各个器官系统的表现<span style="color: black;">亦</span>不<span style="color: black;">同样</span>，<span style="color: black;">因此</span>单单依靠血液<span style="color: black;">检测</span>很难确诊癌症。</span><span style="color: black;">当然，部分癌症还是<span style="color: black;">能够</span><span style="color: black;">经过</span>验血<span style="color: black;">检测</span>出来的，如白细胞急剧<span style="color: black;">增多</span>、红细胞和血小板数量大幅减少就可判定为白血病。</span><span style="color: black;">尽管如此，但大<span style="color: black;">都数</span>癌症都<span style="color: black;">没</span>法<span style="color: black;">经过</span>血液查出来，<span style="color: black;">必要</span>结合X线、<span style="color: black;">B</span>超以及<span style="color: black;">C T</span>等综合筛查。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">癌症很难早<span style="color: black;">发掘</span></span></strong></span><span style="color: black;">癌症在发病<span style="color: black;">初期</span><span style="color: black;">没</span>任何症状或症状非常轻微，<span style="color: black;">况且</span><span style="color: black;">没</span>特异性，<span style="color: black;">因此</span>很难早<span style="color: black;">发掘</span>、早治疗。</span><span style="color: black;">但只要<span style="color: black;">定时</span>进行癌症方面的<span style="color: black;">检测</span>，如肿瘤标志物的检测等，就有可能<span style="color: black;">发掘</span><span style="color: black;">初期</span>癌症。</span>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/ic67IJSib4b9DPEv7alxJEcPm13lF6E0nMKWzF4C0JMy1tUoSHbxjAcwnH8bPY5HNreBaMZdL4ocjHzQVCIf882w/640?wx_fmt=jpeg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;"></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">癌症筛查的<span style="color: black;">平常</span><span style="color: black;">办法</span>有<span style="color: black;">那些</span>？</span></strong></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">彩超</span><span style="color: black;">检测</span></span></strong></span><span style="color: black;"><span style="color: black;">彩超</span>的应用非常广泛，<span style="color: black;">经过</span><span style="color: black;">B</span>超可得到人<span style="color: black;">身体</span>脏<span style="color: black;">各样</span>切面的清晰影像，<span style="color: black;">例如</span>肾脏、肝脏、卵巢、膀胱等器官的健康<span style="color: black;">状况</span>，<span style="color: black;">经过</span>多普勒<span style="color: black;">影像</span>技术可观察到人<span style="color: black;">身体</span>脏<span style="color: black;">是不是</span><span style="color: black;">显现</span>病变或肿块。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">X线<span style="color: black;">检测</span></span></strong></span><span style="color: black;"><span style="color: black;">X光穿过密度不同的物质时透射出的光线强度<span style="color: black;">亦</span>不<span style="color: black;">同样</span>，将这些信号接收到<span style="color: black;">表示</span>屏上就可呈现出图像，<span style="color: black;">大夫</span>能<span style="color: black;">经过</span>观察<span style="color: black;">X</span>线对病情进行判断。在癌症诊断上，</span><span style="color: black;">X</span><span style="color: black;">线<span style="color: black;">重点</span>用于肺癌筛查。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">内镜<span style="color: black;">检测</span></span></strong></span><span style="color: black;">内镜是一种<span style="color: black;">拥有</span>图像传感器、光学镜头等<span style="color: black;">安装</span>的检测仪器，可从身体的孔、洞进入人<span style="color: black;">身体</span>部，<span style="color: black;">经过</span>图像传感器及光学镜头将病变部位清晰地<span style="color: black;">表示</span>在屏幕上。</span><span style="color: black;">内镜<span style="color: black;">检测</span>经常用于胃癌和肠癌的筛查，可准确地判断肠胃<span style="color: black;">是不是</span><span style="color: black;">显现</span>癌变。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">C&nbsp;T<span style="color: black;">检测</span></span></strong></span><span style="color: black;">C T<span style="color: black;">检测</span>是一种比较先进的医学影像<span style="color: black;">检测</span>技术，<span style="color: black;">经过</span><span style="color: black;">X</span>线束对人体某个部分有<span style="color: black;">必定</span>厚度的层面进行扫描，探测器接收到<span style="color: black;">X</span>线后会转变为可见光，光电转变成电信号，<span style="color: black;">而后</span>经过数字转换器转换成数字，最后进行计算机处理。</span><span style="color: black;">C T可诊断神经系统病变和心血管系统<span style="color: black;">疾患</span>，如颅脑外伤、脑梗塞、先天畸形、心包肿瘤及心包积液等。</span><span style="color: black;"><span style="color: black;">除此之外，还可用于诊断胸部、腹部、盆腔、肝脏以及骨骼关节等部位的病变。与超声相比C T图像更加清晰，准确率<span style="color: black;">亦</span>更高。</span></span>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/ic67IJSib4b9DPEv7alxJEcPm13lF6E0nMibw7vLcLZq7IKkURGanhMu4hTicn8rckQoCMMLznGMEOKyyesnmD4waQ/640?wx_fmt=jpeg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1" style="width: 50%; margin-bottom: 20px;"></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">恰当</span>进行癌症筛查</span></strong></span><span style="color: black;">癌症筛查<span style="color: black;">不可</span>滥做，<span style="color: black;">无</span>家族史等高危<span style="color: black;">原因</span>的人<span style="color: black;">不消</span>太早进行<span style="color: black;">关联</span><span style="color: black;">检测</span>，如50岁后的男性才<span style="color: black;">思虑</span>筛查前列腺癌。</span><span style="color: black;">不要一上来就做最高级别的筛查，如<span style="color: black;">茫然</span>地认为用PET-CT将全身扫一遍就能将<span style="color: black;">初期</span>肿瘤揪出来。</span>




星☆雨 发表于 2024-9-25 06:25:22

楼主节操掉了，还不快捡起来！

m5k1umn 发表于 2024-10-24 11:48:10

一看到楼主的气势，我就觉得楼主同在社区里灌水。
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